IJESD 2018 Vol.9(3): 90-94 ISSN: 2010-0264
doi: 10.18178/ijesd.2018.9.3.1079
doi: 10.18178/ijesd.2018.9.3.1079
Color Glasses during Morning Drive for Commuting-Effects on Autonomic Functions, Alertness, and Nocturnal Sleep
Emi Yuda, Yutaka Yoshida, and Junichiro Hayano
Abstract—Studies of illumination suggest possibility of color
lights for adjusting our mind and body to suit desired activities.
To examine if similar effects can be obtained by modulating
relative contents of light color, biological effects of color-glass
wearing during early-morning drive for commuting were
studied. Compared with clear glasses, blue glasses increased low
frequency (0.04-0.15 Hz) power and deceleration capacity and
decreased respiration frequency during driving, while green,
orange, and pink glasses made no significant difference from
clear glasses. None of the color glasses showed significant
difference in the performance to psychomotor vigilance test
performed at the beginning and the end of work at job place or
in the autonomic functions during sleep of that night. An
increase in the content of blue-wavelength light by blue glasses
during morning drive may attenuate sympathetic function, but
it has no significant after-effect on daytime behavioral alertness
or nighttime autonomic functions.
Index Terms—Behavioral alertness, blue light, color glasses, heart rate variability, sleep.
The authors are with the Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8602, Japan (e-mail: emi21@med.nagoya-cu.ac.jp, yyoshida@med.nagoya-cu.ac.jp, hayano@med.nagoya-cu.ac.jp).
Index Terms—Behavioral alertness, blue light, color glasses, heart rate variability, sleep.
The authors are with the Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8602, Japan (e-mail: emi21@med.nagoya-cu.ac.jp, yyoshida@med.nagoya-cu.ac.jp, hayano@med.nagoya-cu.ac.jp).
Cite: Emi Yuda, Yutaka Yoshida, and Junichiro Hayano, "Color Glasses during Morning Drive for Commuting-Effects on Autonomic Functions, Alertness, and Nocturnal Sleep," International Journal of Environmental Science and Development vol. 9, no. 3, pp. 90-94, 2018.
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- ISSN: 2010-0264 (Print); 2972-3698 (Online)
- Abbreviated Title: Int. J. Environ. Sci. Dev.
- Frequency: Bimonthly
- DOI: 10.18178/IJESD
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